.page-about {
  --about-rail: 14rem;
  --about-gap: clamp(1.5rem, 4vw, 3.5rem);
  --about-muted: rgba(28, 23, 18, 0.72);
  --about-hair: rgba(201, 164, 92, 0.28);

  background: var(--cream);
  color: var(--brown);
  font-family: var(--font-body);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

.page-about p {
  margin: 0;
}

/* ========== 首屏 ========== */
.page-about .about-hero {
  position: relative;
  padding: clamp(1.15rem, 3vw, 2rem) 0 clamp(2.5rem, 6vw, 4.5rem);
  background:
    radial-gradient(110% 80% at 88% 6%, rgba(201, 164, 92, 0.18), transparent 58%),
    radial-gradient(90% 70% at 8% 100%, rgba(51, 214, 197, 0.1), transparent 62%),
    linear-gradient(170deg, var(--charcoal) 0%, var(--green-deep) 74%);
  color: var(--cream);
  overflow: hidden;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0.55;
}

.page-about .about-hero .breadcrumb-list {
  color: rgba(245, 237, 224, 0.56);
  font-size: 0.78rem;
}

.page-about .about-hero .breadcrumb-link {
  color: var(--gold-bright);
  text-decoration: none;
}

.page-about .about-hero .breadcrumb-link:hover,
.page-about .about-hero .breadcrumb-link:focus-visible {
  color: var(--cream);
}

.page-about .about-hero .breadcrumb-item span[aria-current] {
  color: rgba(245, 237, 224, 0.92);
}

.page-about .about-hero-grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  margin-top: clamp(1.25rem, 3vw, 2.25rem);
}

.page-about .about-hero-copy h1 {
  margin: 0.65rem 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.9rem, 5.2vw, 3.35rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--cream);
}

.page-about .about-lede {
  margin-top: 1.15rem;
  max-width: 34em;
  font-size: clamp(0.95rem, 1.5vw, 1.0625rem);
  line-height: 1.85;
  color: rgba(245, 237, 224, 0.8);
}

.page-about .about-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.34rem 0.85rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  line-height: 1.4;
}

.page-about .about-tag--screen {
  color: var(--gold-bright);
  border-color: rgba(232, 199, 125, 0.42);
  background: rgba(201, 164, 92, 0.12);
}

.page-about .about-tag--android {
  color: var(--cyan);
  border-color: rgba(51, 214, 197, 0.4);
  background: rgba(51, 214, 197, 0.1);
}

.page-about .about-hero-media {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--hairline-gold);
  background: var(--green-mid);
  box-shadow: 0 26px 60px -32px rgba(0, 0, 0, 0.9);
}

.page-about .about-hero-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 14 / 10;
  object-fit: cover;
}

/* ========== 通用分区 ========== */
.page-about .about-section {
  padding-block: clamp(2.5rem, 6vw, 5rem);
}

.page-about .about-section + .about-section {
  border-top: 1px solid rgba(201, 164, 92, 0.18);
}

.page-about .about-section--wash {
  background: linear-gradient(180deg, rgba(18, 59, 49, 0.05), rgba(245, 237, 224, 0));
}

.page-about .about-split {
  display: grid;
  gap: var(--about-gap);
}

/* ========== 窄栏 ========== */
.page-about .about-rail {
  border-left: 2px solid var(--about-hair);
  padding-left: 1rem;
}

.page-about .about-rail-label {
  margin: 0 0 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal-deep);
}

.page-about .about-rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.page-about .about-rail-item {
  position: relative;
  padding-left: 0.95rem;
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--about-muted);
}

.page-about .about-rail-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 0.42rem;
  height: 2px;
  background: var(--gold);
}

.page-about .about-rail-text {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.75;
  color: var(--about-muted);
}

.page-about .about-note {
  margin-top: 1.15rem;
  padding-top: 0.7rem;
  border-top: 1px dashed rgba(201, 164, 92, 0.5);
  font-size: 0.8125rem;
  line-height: 1.75;
  color: var(--about-muted);
}

.page-about .about-note summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--teal-deep);
  padding: 0.15rem 0;
}

.page-about .about-note summary::-webkit-details-marker {
  display: none;
}

.page-about .about-note summary::after {
  content: " +";
  color: var(--gold);
}

.page-about .about-note[open] summary::after {
  content: " −";
}

.page-about .about-note p {
  margin: 0.55rem 0 0;
}

/* ========== 正文区 ========== */
.page-about .about-body {
  min-width: 0;
}

.page-about .about-h2 {
  margin: 0 0 1.25rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.45rem, 3.1vw, 2.05rem);
  line-height: 1.32;
  letter-spacing: -0.015em;
  color: var(--brown);
}

.page-about .about-h2::before {
  content: "";
  display: block;
  width: 2.4rem;
  height: 3px;
  border-radius: 3px;
  margin-bottom: 0.85rem;
  background: linear-gradient(90deg, var(--gold), var(--ember));
}

.page-about .about-body > p {
  margin-bottom: 1.05rem;
  max-width: 36em;
  font-size: clamp(0.95rem, 1.35vw, 1.0625rem);
  line-height: 1.85;
  color: var(--brown);
}

.page-about .about-body > p:last-child {
  margin-bottom: 0;
}

/* ========== 分段切换 ========== */
.page-about .about-tabs {
  margin-top: 1.75rem;
}

.page-about .about-tabs-body {
  margin-top: 1.25rem;
}

.page-about .about-panel {
  padding: clamp(1.15rem, 3vw, 1.75rem);
  border-radius: var(--radius-lg);
  background: var(--cream-light);
  border: 1px solid var(--about-hair);
}

.page-about .about-panel-lede {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--brown);
}

.page-about .about-points {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.page-about .about-points li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--about-muted);
}

.page-about .about-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 2px;
  background: var(--gold);
  transform: rotate(45deg);
}

.page-about .about-link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  margin-top: 1.15rem;
  padding-bottom: 0.15rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: var(--teal-deep);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-about .about-link::after {
  content: "→";
}

.page-about .about-link:hover,
.page-about .about-link:focus-visible {
  color: var(--ember);
}

/* ========== 校验刻度轴 ========== */
.page-about .about-axis {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0 0 0 3.4rem;
  position: relative;
  display: grid;
  gap: 1.6rem;
}

.page-about .about-axis::before {
  content: "";
  position: absolute;
  left: 1.05rem;
  top: 1rem;
  bottom: 1rem;
  width: 1px;
  background: linear-gradient(180deg, var(--gold), rgba(201, 164, 92, 0.14) 88%);
}

.page-about .about-axis-step {
  position: relative;
}

.page-about .about-axis-num {
  position: absolute;
  left: -3.4rem;
  top: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 50%;
  background: var(--green-deep);
  border: 1px solid var(--hairline-gold);
  color: var(--gold-bright);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  line-height: 1;
}

.page-about .about-axis-title {
  margin: 0.28rem 0 0.4rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  line-height: 1.4;
  letter-spacing: -0.005em;
  color: var(--brown);
}

.page-about .about-axis-text {
  margin: 0;
  max-width: 34em;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--about-muted);
}

/* ========== 图片与图注 ========== */
.page-about .about-figure {
  margin: 1.9rem 0 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--about-hair);
  background: var(--green-mid);
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .about-figure--square img {
  aspect-ratio: 1 / 1;
}

.page-about .about-figure figcaption {
  padding: 0.7rem 1rem;
  background: var(--cream-light);
  border-top: 1px solid rgba(201, 164, 92, 0.24);
  font-size: 0.75rem;
  line-height: 1.65;
  color: var(--about-muted);
}

/* ========== 规模数字 ========== */
.page-about .about-stats {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: rgba(201, 164, 92, 0.3);
  border: 1px solid rgba(201, 164, 92, 0.3);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-about .about-stat {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: clamp(0.9rem, 2.2vw, 1.35rem);
  background: var(--cream-light);
}

.page-about .about-stat-value {
  display: flex;
  align-items: baseline;
  gap: 0.16rem;
}

.page-about .about-stat-num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--green-deep);
}

.page-about .about-stat-unit {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--gold);
}

.page-about .about-stat-label {
  font-size: 0.75rem;
  line-height: 1.55;
  color: var(--about-muted);
}

/* ========== 深色协作区 ========== */
.page-about .about-band {
  padding-block: clamp(2.75rem, 7vw, 5rem);
  background:
    radial-gradient(100% 90% at 10% 0%, rgba(51, 214, 197, 0.1), transparent 58%),
    radial-gradient(80% 70% at 92% 100%, rgba(201, 164, 92, 0.14), transparent 62%),
    linear-gradient(160deg, var(--green-deep), var(--charcoal));
  color: var(--cream);
}

.page-about .about-band-kicker {
  margin: 0 0 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-about .about-band-title {
  margin: 0;
  max-width: 20em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 3.6vw, 2.3rem);
  line-height: 1.28;
  letter-spacing: -0.02em;
  color: var(--cream);
}

.page-about .about-band-grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
}

.page-about .about-band-col {
  padding-top: 1.1rem;
  border-top: 1px solid rgba(201, 164, 92, 0.32);
}

.page-about .about-band-h3 {
  margin: 0 0 0.7rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  line-height: 1.4;
  color: var(--gold-bright);
}

.page-about .about-band-col p {
  margin: 0 0 0.85rem;
  max-width: 32em;
  font-size: 0.9rem;
  line-height: 1.85;
  color: rgba(245, 237, 224, 0.78);
}

.page-about .about-band-col p:last-child {
  margin-bottom: 0;
}

.page-about .about-band-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
  padding-top: 1.25rem;
  border-top: 1px solid rgba(201, 164, 92, 0.22);
}

.page-about .about-band-link {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: var(--cyan);
  text-decoration: none;
  padding-bottom: 0.15rem;
  border-bottom: 1px solid rgba(51, 214, 197, 0.45);
}

.page-about .about-band-link:hover,
.page-about .about-band-link:focus-visible {
  color: var(--gold-bright);
  border-bottom-color: var(--gold-bright);
}

/* ========== 收尾 ========== */
.page-about .about-cta {
  padding-block: clamp(2rem, 5vw, 3.5rem);
  background: var(--cream);
}

.page-about .about-cta-inner {
  display: grid;
  gap: 1.5rem;
  align-items: center;
}

.page-about .about-cta-copy h2 {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.3rem, 2.8vw, 1.75rem);
  line-height: 1.35;
  letter-spacing: -0.015em;
  color: var(--brown);
}

.page-about .about-cta-copy p {
  margin: 0;
  max-width: 40em;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--about-muted);
}

.page-about .about-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ========== 断点 ========== */
@media (min-width: 720px) {
  .page-about .about-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-cta-inner {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: end;
  }

  .page-about .about-split {
    grid-template-columns: var(--about-rail) minmax(0, 1fr);
    align-items: start;
    gap: clamp(2rem, 5vw, 4.5rem);
  }

  .page-about .about-rail {
    position: sticky;
    top: clamp(5.5rem, 8vw, 7rem);
    padding-left: 1.25rem;
  }

  .page-about .about-band-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(2rem, 5vw, 4rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
  }

  .page-about .about-rail {
    position: static;
  }
}
<<<PAGE_CSS_END>>>
<<<END>>>
<<<MAIN_HTML_END>>>
<<<END>>>

.page-about {
  --about-rail: 14rem;
  --about-gap: clamp(1.5rem, 4vw, 3.5rem);
  --about-muted: rgba(28, 23, 18, 0.72);
  --about-hair: rgba(201, 164, 92, 0.28);

  background: var(--cream);
  color: var(--brown);
  font-family: var(--font-body);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

.page-about p {
  margin: 0;
}

/* ========== 首屏 ========== */
.page-about .about-hero {
  position: relative;
  padding: clamp(1.15rem, 3vw, 2rem) 0 clamp(2.5rem, 6vw, 4.5rem);
  background:
    radial-gradient(110% 80% at 88% 6%, rgba(201, 164, 92, 0.18), transparent 58%),
    radial-gradient(90% 70% at 8% 100%, rgba(51, 214, 197, 0.1), transparent 62%),
    linear-gradient(170deg, var(--charcoal) 0%, var(--green-deep) 74%);
  color: var(--cream);
  overflow: hidden;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0.55;
}

.page-about .about-hero .breadcrumb-list {
  color: rgba(245, 237, 224, 0.56);
  font-size: 0.78rem;
}

.page-about .about-hero .breadcrumb-link {
  color: var(--gold-bright);
  text-decoration: none;
}

.page-about .about-hero .breadcrumb-link:hover,
.page-about .about-hero .breadcrumb-link:focus-visible {
  color: var(--cream);
}

.page-about .about-hero .breadcrumb-item span[aria-current] {
  color: rgba(245, 237, 224, 0.92);
}

.page-about .about-hero-grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  margin-top: clamp(1.25rem, 3vw, 2.25rem);
}

.page-about .about-hero-copy h1 {
  margin: 0.65rem 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.9rem, 5.2vw, 3.35rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--cream);
}

.page-about .about-lede {
  margin-top: 1.15rem;
  max-width: 34em;
  font-size: clamp(0.95rem, 1.5vw, 1.0625rem);
  line-height: 1.85;
  color: rgba(245, 237, 224, 0.8);
}

.page-about .about-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.34rem 0.85rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  line-height: 1.4;
}

.page-about .about-tag--screen {
  color: var(--gold-bright);
  border-color: rgba(232, 199, 125, 0.42);
  background: rgba(201, 164, 92, 0.12);
}

.page-about .about-tag--android {
  color: var(--cyan);
  border-color: rgba(51, 214, 197, 0.4);
  background: rgba(51, 214, 197, 0.1);
}

.page-about .about-hero-media {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--hairline-gold);
  background: var(--green-mid);
  box-shadow: 0 26px 60px -32px rgba(0, 0, 0, 0.9);
}

.page-about .about-hero-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 14 / 10;
  object-fit: cover;
}

/* ========== 通用分区 ========== */
.page-about .about-section {
  padding-block: clamp(2.5rem, 6vw, 5rem);
}

.page-about .about-section + .about-section {
  border-top: 1px solid rgba(201, 164, 92, 0.18);
}

.page-about .about-section--wash {
  background: linear-gradient(180deg, rgba(18, 59, 49, 0.05), rgba(245, 237, 224, 0));
}

.page-about .about-split {
  display: grid;
  gap: var(--about-gap);
}

/* ========== 窄栏 ========== */
.page-about .about-rail {
  border-left: 2px solid var(--about-hair);
  padding-left: 1rem;
}

.page-about .about-rail-label {
  margin: 0 0 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal-deep);
}

.page-about .about-rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.page-about .about-rail-item {
  position: relative;
  padding-left: 0.95rem;
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--about-muted);
}

.page-about .about-rail-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 0.42rem;
  height: 2px;
  background: var(--gold);
}

.page-about .about-rail-text {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.75;
  color: var(--about-muted);
}

.page-about .about-note {
  margin-top: 1.15rem;
  padding-top: 0.7rem;
  border-top: 1px dashed rgba(201, 164, 92, 0.5);
  font-size: 0.8125rem;
  line-height: 1.75;
  color: var(--about-muted);
}

.page-about .about-note summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--teal-deep);
  padding: 0.15rem 0;
}

.page-about .about-note summary::-webkit-details-marker {
  display: none;
}

.page-about .about-note summary::after {
  content: " +";
  color: var(--gold);
}

.page-about .about-note[open] summary::after {
  content: " −";
}

.page-about .about-note p {
  margin: 0.55rem 0 0;
}

/* ========== 正文区 ========== */
.page-about .about-body {
  min-width: 0;
}

.page-about .about-h2 {
  margin: 0 0 1.25rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.45rem, 3.1vw, 2.05rem);
  line-height: 1.32;
  letter-spacing: -0.015em;
  color: var(--brown);
}

.page-about .about-h2::before {
  content: "";
  display: block;
  width: 2.4rem;
  height: 3px;
  border-radius: 3px;
  margin-bottom: 0.85rem;
  background: linear-gradient(90deg, var(--gold), var(--ember));
}

.page-about .about-body > p {
  margin-bottom: 1.05rem;
  max-width: 36em;
  font-size: clamp(0.95rem, 1.35vw, 1.0625rem);
  line-height: 1.85;
  color: var(--brown);
}

.page-about .about-body > p:last-child {
  margin-bottom: 0;
}

/* ========== 分段切换 ========== */
.page-about .about-tabs {
  margin-top: 1.75rem;
}

.page-about .about-tabs-body {
  margin-top: 1.25rem;
}

.page-about .about-panel {
  padding: clamp(1.15rem, 3vw, 1.75rem);
  border-radius: var(--radius-lg);
  background: var(--cream-light);
  border: 1px solid var(--about-hair);
}

.page-about .about-panel-lede {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--brown);
}

.page-about .about-points {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.page-about .about-points li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--about-muted);
}

.page-about .about-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 2px;
  background: var(--gold);
  transform: rotate(45deg);
}

.page-about .about-link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  margin-top: 1.15rem;
  padding-bottom: 0.15rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: var(--teal-deep);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-about .about-link::after {
  content: "→";
}

.page-about .about-link:hover,
.page-about .about-link:focus-visible {
  color: var(--ember);
}

/* ========== 校验刻度轴 ========== */
.page-about .about-axis {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0 0 0 3.4rem;
  position: relative;
  display: grid;
  gap: 1.6rem;
}

.page-about .about-axis::before {
  content: "";
  position: absolute;
  left: 1.05rem;
  top: 1rem;
  bottom: 1rem;
  width: 1px;
  background: linear-gradient(180deg, var(--gold), rgba(201, 164, 92, 0.14) 88%);
}

.page-about .about-axis-step {
  position: relative;
}

.page-about .about-axis-num {
  position: absolute;
  left: -3.4rem;
  top: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 50%;
  background: var(--green-deep);
  border: 1px solid var(--hairline-gold);
  color: var(--gold-bright);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  line-height: 1;
}

.page-about .about-axis-title {
  margin: 0.28rem 0 0.4rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  line-height: 1.4;
  letter-spacing: -0.005em;
  color: var(--brown);
}

.page-about .about-axis-text {
  margin: 0;
  max-width: 34em;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--about-muted);
}

/* ========== 图片与图注 ========== */
.page-about .about-figure {
  margin: 1.9rem 0 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--about-hair);
  background: var(--green-mid);
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .about-figure--square img {
  aspect-ratio: 1 / 1;
}

.page-about .about-figure figcaption {
  padding: 0.7rem 1rem;
  background: var(--cream-light);
  border-top: 1px solid rgba(201, 164, 92, 0.24);
  font-size: 0.75rem;
  line-height: 1.65;
  color: var(--about-muted);
}

/* ========== 规模数字 ========== */
.page-about .about-stats {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: rgba(201, 164, 92, 0.3);
  border: 1px solid rgba(201, 164, 92, 0.3);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-about .about-stat {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: clamp(0.9rem, 2.2vw, 1.35rem);
  background: var(--cream-light);
}

.page-about .about-stat-value {
  display: flex;
  align-items: baseline;
  gap: 0.16rem;
}

.page-about .about-stat-num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--green-deep);
}

.page-about .about-stat-unit {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--gold);
}

.page-about .about-stat-label {
  font-size: 0.75rem;
  line-height: 1.55;
  color: var(--about-muted);
}

/* ========== 深色协作区 ========== */
.page-about .about-band {
  padding-block: clamp(2.75rem, 7vw, 5rem);
  background:
    radial-gradient(100% 90% at 10% 0%, rgba(51, 214, 197, 0.1), transparent 58%),
    radial-gradient(80% 70% at 92% 100%, rgba(201, 164, 92, 0.14), transparent 62%),
    linear-gradient(160deg, var(--green-deep), var(--charcoal));
  color: var(--cream);
}

.page-about .about-band-kicker {
  margin: 0 0 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-about .about-band-title {
  margin: 0;
  max-width: 20em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 3.6vw, 2.3rem);
  line-height: 1.28;
  letter-spacing: -0.02em;
  color: var(--cream);
}

.page-about .about-band-grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
}

.page-about .about-band-col {
  padding-top: 1.1rem;
  border-top: 1px solid rgba(201, 164, 92, 0.32);
}

.page-about .about-band-h3 {
  margin: 0 0 0.7rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  line-height: 1.4;
  color: var(--gold-bright);
}

.page-about .about-band-col p {
  margin: 0 0 0.85rem;
  max-width: 32em;
  font-size: 0.9rem;
  line-height: 1.85;
  color: rgba(245, 237, 224, 0.78);
}

.page-about .about-band-col p:last-child {
  margin-bottom: 0;
}

.page-about .about-band-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
  padding-top: 1.25rem;
  border-top: 1px solid rgba(201, 164, 92, 0.22);
}

.page-about .about-band-link {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: var(--cyan);
  text-decoration: none;
  padding-bottom: 0.15rem;
  border-bottom: 1px solid rgba(51, 214, 197, 0.45);
}

.page-about .about-band-link:hover,
.page-about .about-band-link:focus-visible {
  color: var(--gold-bright);
  border-bottom-color: var(--gold-bright);
}

/* ========== 收尾 ========== */
.page-about .about-cta {
  padding-block: clamp(2rem, 5vw, 3.5rem);
  background: var(--cream);
}

.page-about .about-cta-inner {
  display: grid;
  gap: 1.5rem;
  align-items: center;
}

.page-about .about-cta-copy h2 {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.3rem, 2.8vw, 1.75rem);
  line-height: 1.35;
  letter-spacing: -0.015em;
  color: var(--brown);
}

.page-about .about-cta-copy p {
  margin: 0;
  max-width: 40em;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--about-muted);
}

.page-about .about-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ========== 断点 ========== */
@media (min-width: 720px) {
  .page-about .about-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-cta-inner {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: end;
  }

  .page-about .about-split {
    grid-template-columns: var(--about-rail) minmax(0, 1fr);
    align-items: start;
    gap: clamp(2rem, 5vw, 4.5rem);
  }

  .page-about .about-rail {
    position: sticky;
    top: clamp(5.5rem, 8vw, 7rem);
    padding-left: 1.25rem;
  }

  .page-about .about-band-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(2rem, 5vw, 4rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
  }

  .page-about .about-rail {
    position: static;
  }
}